TNNCS
According to newtons law which of these two force is greater: size or force? -
ansNeither. For each force there is an equal and opposite reaction.
Define Cushing's triad - ansBradycardia, progressive hypertension (widening pulse
pressure), and decreased respiratory effort
Define the characteristics of neurogenic shock - ansDistributive shock with a T6 or
higher injury results and vasodilation, bradycardia, flushed warm dry skin. Risk for
temperature instability. Nursing interventions include maintaining warmth and spinal
stabilization.
Define the characteristics of spinal shock - ansTransient loss of function can include
loss of reflexes and muscle tone below the level of industry with possible vascular
response.
Describe one fat embolism syndrome is most likely to occur in its characteristics -
ansWith longform fractures. Tachycardia, Thrombocytopenia, and petechiae rash.
Describe the characteristics of cardiogenic shock - ansCardiogenic shock results from
pump failure in the presence of adequate intravascular volume. Lack of cardiac output
and an organ perfusion occurs secondary to a decrease in myocardial contractility and
or valvular insufficiency. This can happen with blunt cardiac trauma or an MI. Symptoms
can include low blood pressure increase heart rate and respiratory rate chest pain
shortness of breath dysrhythmias increase troponin and pale cool moist skin
Describe the characteristics of distributive shock. - ansDistributive shock occurs as a
result of Mel distribution of an adequate circulating blood volume with the loss of
vascular tone or increased permeability. This can occur with spinal cord injuries, sepsis,
or anaphylaxis. Symptoms include low blood pressure heart rate respiratory rate
preload and afterload, spinal tenderness, difficulty breathing, warm pink and dry skin
with a cool core temperature.
Describe the characteristics of hypovolemic shock - ansHypovolemia is caused by a
decrease in the amount of circulating volume usually caused by massive bleeding, but
also can be from vomiting and diarrhea. Characteristics include low blood pressure and
preload, increase heart rate respiratory rate and afterload, with contractility unchanged.
Signs include obvious bleeding, weak peripheral pulses, pale cool and moist skin,
distended abdomen, pelvic fracture, or bruise swollen and deformed extremities
especially long bones.
Describe the characteristics of obstructive shock - ansObstructive shock is it mechanical
problem that results from hypoperfusion of the tissue due to an obstruction in either the
vasculature or the heart resulting in decreased cardiac output. Some causes include a
tension pneumothorax, cardiac tamponade, or venous air embolism on the right side of
the heart during systole in the pulmonary artery.Signs include anxiety, muffled heart
sounds, JVD, hypertension, chest pain, difficulty breathing, or pulses paradoxes.
